Today, almost every computer user leverages a variety of web browsers to surf the internet — Microsoft Internet Explorer, Mozilla Firefox, and Apple Safari are some of the popular browsers in use in recent times. It is very important to configure internet browser(s) in a secure way because vulnerable web browser(s) can lead to various […]
Ransomware authors keep exploring new ways to test their strengths against various malware evasion techniques. The ransomware known as “Ouroboros” is intensifying its footprint in the field by bringing more and more advancements in its behavior as it updates its version. This analysis provides the behaviour of version 6, few earlier variants of it and […]
Quick Heal Security Labs recently came across a variant of Ryuk Ransomware which contains an additional feature of identifying and encrypting systems in a Local Area Network (LAN). This sample targets the systems which are present in sleep as well as the online state in the LAN. This sample is packed with a custom packer. The final […]
Very recently, the Coronavirus that apparently originated from the Wuhan province in China has created pandemonium across the world creating an atmosphere of a health crisis for the global populace. As the news of the deadly Coronavirus creates waves of panic across the globe, cyberattackers are lurking into this phenomenon as an opportunity, less of […]
In the last two days, we have received reports from Windows 7 users who have been unable to shut down or restart their PC and ran into the below error. While the exact cause of the issue is yet to be ascertained there is no official confirmation from Microsoft yet. However, our support team has […]
Introduction to IoT This blog describes one of the current disruptive technologies in the market, i.e. IoT (Internet of Things) devices. The Internet of things (IoT) is the Internet of connected physical devices, vehicles, appliances and everyday objects that can collect & share information without any intervention. Due to IoT devices, end users can easily […]
It’s surprising to see how quickly attackers make use of new vulnerabilities in malware campaigns. Microsoft recently patched a very interesting vulnerability in their monthly Patch Tuesday update for January 2020. It’s a spoofing vulnerability in Windows CryptoAPI (Crypt32.dll) validation mechanism for Elliptic Curve Cryptography (ECC) certificates. An attacker could exploit the vulnerability by using […]
Phishing email still remains one of the top malware propagation medium. Recently, we came across an interesting phishing email containing couple of Jumpshare links pointing to malicious components. Jumpshare is an online file sharing service and often cyber criminals abuse these kind of file sharing services. Upon clicking on one of the links in phishing mail, an executable file […]